Home / 8,943.86-13,415.96-3,100.66

Finding the Fourth Proportional to 8,943.86, 13,415.96 and 3,100.66

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Solution

The fourth proportional to 8,943.86, 13,415.96 and 3,100.66 is: 4,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.86 : 13,415.96 = 3,100.66 : x
  2. Step 2: Convert to fraction form
    8,943.86/13,415.96 = 3,100.66/x
  3. Step 3: Cross multiply
    8,943.86x = 13,415.96 × 3,100.66
  4. Step 4: Simplify right side
    8,943.86x = 41,598,330.53
  5. Step 5: Solve for x
    x = 41,598,330.53/8,943.86
  6. Step 6: Final answer
    x = 4,651.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.